<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <!-- 文本框 -->
    <form >
        <input type="text">
        <input type="submit">
    </form>
    <form >
        用户名：<input type="text">
        
    </form>
    <!-- 密码框 -->
     <form>
        Password: <input type="password">
        <input type="submit"value="登录">
     </form>
</body>
</html>